@keyframes ballScale {
  0%{
      transform: scale(1);
  }
  30%{
      transform: scale(0.8);
  }
  60%{
      transform: scale(0.6);
  }
  90%{
      transform: scale(0.4);
  }
  100%{
      transform: scale(0.2);
  }
}

.downloadIcon {
    font-size: 48px;
    color: #108ee9;
    transition: all .5s ease 0s;
    animation: .5s ballScale ease-in-out;
}